After the Great Revolt, human beings were forced to develop their minds. Thus mental training schools were established.
11 seconds sound clip from the Dune (1984) movie soundboard.
You can hear this line at 00:04:18 in the Blu-ray version of the movie.
Quote context
[...]
- In the year 6041, before the reign of the Padishah Emperors,
- The Universe was ruled by thinking machines with human minds: Computers and conscious robots.
- The people deteriorated into a state of apathy.
- Then they became victims and slaves of other men with machines.
- Finally came the Great Revolt, the religious crusade against the machines.
- These schools would change the history of the Universe.
- The function of the Bene Gesserit school is to carry on a selective breeding program among humans.
- Now, the other existing school, The Spacing Guild, or The Guild, emphasizes pure mathematics.
[...]